.topics-list {
    width: min(90%, 1100px);
    margin: 20px auto 60px;
}

.topics-item {
    border-top: 2px dotted #333;
}

.topics-item:last-child {
    border-bottom: 2px dotted #333;
}

.topics-item a {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 24px;
    align-items: center;
    padding: 22px 14px;
    color: #111;
    text-decoration: none;
    transition: background-color .25s ease, transform .25s ease, opacity .25s ease;
}

.topics-item a:hover {
    background: rgba(255, 255, 255, .58);
    transform: translateX(6px);
}

.topics-item a:hover .topics-thumb {
    opacity: .88;
}

.topics-thumb {
    display: block;
    width: 180px;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    background: #e8e8e6;
}

.topics-thumb-empty {
    border: 1px solid #ddd;
}

.topics-text {
    display: grid;
    gap: 10px;
}

.topics-date {
    font-size: 15px;
    letter-spacing: .22em;
    font-family: "Times New Roman", "Yu Mincho", "YuMincho", serif;
}

.topics-title {
    font-size: 20px;
    line-height: 1.7;
    letter-spacing: .12em;
}

.topics-empty {
    width: min(90%, 700px);
    margin: 35px auto;
    text-align: center;
}

.topics-pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin: 18px 0 72px;
}

.topics-pagination a,
.topics-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 46px;
    height: 44px;
    padding: 0 12px;
    background: #f4f4f4;
    color: #111;
    text-decoration: none;
}

.topics-pagination .is-current {
    background: #003c5f;
    color: #fff;
}

.topics-pagination .is-disabled {
    color: #aaa;
}

.topic-detail-wrap {
    width: min(88%, 980px);
    margin: 90px auto 140px;
}

.topic-detail-date {
    margin-bottom: 22px;
    font-size: 15px;
    letter-spacing: .26em;
    font-family: "Times New Roman", "Yu Mincho", "YuMincho", serif;
}

.topic-detail-title {
    margin-bottom: 56px;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.6;
    letter-spacing: .12em;
}

.topic-detail-body {
    font-size: 16px;
    line-height: 2;
    letter-spacing: .08em;
}

.topic-detail-body img {
    max-width: 100%;
    height: auto;
}

.topic-detail-back {
    margin-top: 70px;
    text-align: center;
}

.topic-detail-back a {
    display: inline-block;
    padding: 12px 36px;
    border: 1px solid #111;
    color: #111;
    text-decoration: none;
}

.topics-visual {
    background: url(../main-sub-images/onsen-visual.webp) no-repeat center center / cover;
}

@media screen and (max-width: 749px) {
    .topics-item a {
        grid-template-columns: 110px 1fr;
        gap: 14px;
    }

    .topics-thumb {
        width: 110px;
    }

    .topics-title {
        font-size: 16px;
        letter-spacing: .06em;
    }

    .topics-date {
        font-size: 13px;
    }

    .topics-pagination {
        flex-wrap: wrap;
    }
}